Skip to main content

Table 1 Demographic and clinical characteristics of the study patients

From: Characteristics of interval gastric neoplasms detected within two years after negative screening endoscopy among Koreans

 

Overall

(n = 297)

ET-IGN group

(n = 246)

EUT-IGN group

(n = 51)

p†

Age, mean ± SD (yr)

59.4 ± 9.1

60.3 ± 9.0

55.0 ± 8.5

< 0.001

Male sex (%)

226 (76.1)

196 (79.7)

30 (58.8)

0.001

BMI, median (IQR) (kg/m2)

24.4 (22.4–26.0)

24.6 (22.6–26.0)

23.5 (21.3–25.8)

0.030

Previous diagnosis with other cancer (%)

37 (12.5)

31 (12.5)

6 (11.8)

0.869

Family history of gastric cancer (%)

67 (22.6)

53 (21.5)

14 (27.5)

0.358

H. pylori infection‡ (%)

212/296 (71.6)

170/245 (69.4)

42/51 (82.4)

0.062

Current or ex-smoker (%)

196 (66.0)

171 (69.5)

25 (49.0)

0.005

Previous abnormality at the same location (%)

31 (10.4)

24 (9.8)

7 (13.7)

0.399

Gastric atrophy, Kimura-Takemoto classification (%)

   

0.002

 Absent (C0)

12 (4.0)

7 (2.8)

5 (9.8)

 

 Mild (C1, C2)

54 (18.2)

38 (15.4)

16 (31.4)

 

 Moderate (C3, O1)

165 (55.6)

141 (57.3)

24 (47.1)

 

 Severe (O2, O3)

66 (22.2)

60 (24.4)

6 (11.8)

 

Intestinal metaplasia§ (%)

175 (58.9)

156 (63.4)

19 (37.3)

0.001

Interval since last upper GI endoscopy, median (IQR) (months)

12.0 (11.0–15.0)

12.0 (11.0–15.0)

12.0 (11.0–14.0)

0.847

  1. ET-IGN endoscopically treatable gastric neoplasm; EUT-IGN endoscopically untreatable gastric neoplasm; SD standard deviation; BMI body mass index; IQR interquartile range; H. pylori, Helicobacter pylori; GI gastrointestinal
  2. † Comparison between ET-IGN and EUT-IGN
  3. ‡ Some denominators do not match the total numbers because of missing data
  4. § Endoscopically diagnosed intestinal metaplasia
  5. Continuous variables are presented as the mean ± standard deviation or median with interquartile range according to fitness of normal distribution and categorical variables are presented as numbers and effective percentage excluding missing data